The hex color #0d038f is a dark color. The web-safe version is Hex
#000099. A complementary color is
#F2FC70. The grayscale version is
#353535. A 20% lighter version of the original color is
#4036C2, and Hex
#00005C is the 20% darker color. If the color is saturated by 10%, you get
#090098. If the color is desaturated by 10%, the color
#110886 is obtained.